@Test
public void testOrderByConstant() throws TeiidComponentException, TeiidProcessingException {
String sql =
"select 1 as jiraissue_assignee, "
+ "row_number() over(order by subquerytable.jiraissue_id desc) as calculatedfield1 "
+ "from pm1.g1 as jiraissue left outer join "
+ "(select jiraissue_sub.e1 as jiraissue_assignee, jiraissue_sub.e1 as jiraissue_id from pm2.g2 jiraissue_sub "
+ "where (jiraissue_sub.e4 between null and 2)"
+ " ) subquerytable on jiraissue.e1 = subquerytable.jiraissue_assignee";
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
bsc.setCapabilitySupport(Capability.QUERY_ORDERBY_NULL_ORDERING, true);
bsc.setCapabilitySupport(Capability.WINDOW_FUNCTION_ORDER_BY_AGGREGATES, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
sql,
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(bsc),
new String[] {"SELECT 1 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(
plan,
new int[] {1, 1, 1},
new Class<?>[] {AccessNode.class, WindowFunctionProjectNode.class, ProjectNode.class});
}
@Test
public void testWindowFunctionPushdown1() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"select max(e1) over (order by e1) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {"SELECT g_0.e1 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(
plan,
new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
0, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
@Test
public void testWindowFunctionPushdown3() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_DISTINCT, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"select count(distinct e1) over (partition by e2) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {"SELECT g_0.e1, g_0.e2 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(
plan,
new int[] {1, 1, 1},
new Class<?>[] {AccessNode.class, WindowFunctionProjectNode.class, ProjectNode.class});
caps.setCapabilitySupport(Capability.WINDOW_FUNCTION_DISTINCT_AGGREGATES, true);
plan =
TestOptimizer.helpPlan(
"select count(distinct e1) over (partition by e2) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {
"SELECT COUNT(DISTINCT g_0.e1) OVER (PARTITION BY g_0.e2) FROM pm1.g1 AS g_0"
},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(plan, FULL_PUSHDOWN);
}
@Test
public void testWindowFunctionPushdown2() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
caps.setCapabilitySupport(Capability.WINDOW_FUNCTION_ORDER_BY_AGGREGATES, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
caps.setSourceProperty(Capability.QUERY_ORDERBY_DEFAULT_NULL_ORDER, NullOrder.UNKNOWN);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"select max(e1) over (order by e1 nulls first) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {"SELECT g_0.e1 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(
plan,
new int[] {1, 1, 1},
new Class<?>[] {AccessNode.class, WindowFunctionProjectNode.class, ProjectNode.class});
caps.setCapabilitySupport(Capability.QUERY_ORDERBY_NULL_ORDERING, true);
plan =
TestOptimizer.helpPlan(
"select max(e1) over (order by e1 nulls first) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {
"SELECT MAX(g_0.e1) OVER (ORDER BY g_0.e1 NULLS FIRST) FROM pm1.g1 AS g_0"
},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(plan, FULL_PUSHDOWN);
}
@Test
public void testPartialProjection() throws TeiidComponentException, TeiidProcessingException {
String sql =
"SELECT user() AS a, "
+ " AVG(e2) OVER ( ) AS b,"
+ " MAX(e2) OVER ( ) AS b"
+ " FROM pm1.g1";
HardcodedDataManager dataMgr = new HardcodedDataManager();
dataMgr.addData(
"SELECT ROUND(convert((g_0.L_DISCOUNT - AVG(g_0.L_DISCOUNT) OVER ()), FLOAT), 0) FROM TPCR_Oracle_9i.LINEITEM AS g_0",
Arrays.asList(2.0f),
Arrays.asList(2.0f));
BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
bsc.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_AVG, true);
bsc.setCapabilitySupport(Capability.WINDOW_FUNCTION_ORDER_BY_AGGREGATES, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
sql,
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(bsc),
new String[] {"SELECT AVG(g_0.e2) OVER (), g_0.e2 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(
plan,
new int[] {1, 1, 1},
new Class<?>[] {AccessNode.class, WindowFunctionProjectNode.class, ProjectNode.class});
List<?>[] expected =
new List<?>[] {
Arrays.asList(null, BigDecimal.valueOf(1.5), 2),
Arrays.asList(null, BigDecimal.valueOf(1.5), 2)
};
dataMgr.addData(
"SELECT AVG(g_0.e2) OVER (), g_0.e2 FROM pm1.g1 AS g_0", //$NON-NLS-1$
Arrays.asList(1.5, 2),
Arrays.asList(1.5, 1));
helpProcess(plan, dataMgr, expected);
// should completely eliminate the window function node
plan =
TestOptimizer.helpPlan(
"SELECT uuid() AS a, AVG(e2) OVER ( ) AS b FROM pm1.g1",
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(bsc),
new String[] {"SELECT AVG(g_0.e2) OVER () FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(plan, new int[] {1, 1}, new Class<?>[] {AccessNode.class, ProjectNode.class});
}
@Test
public void testWindowFunctionPushdown() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
caps.setCapabilitySupport(Capability.WINDOW_FUNCTION_ORDER_BY_AGGREGATES, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"select max(e1) over (order by e1) as y from pm1.g1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {"SELECT MAX(g_0.e1) OVER (ORDER BY g_0.e1) FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(plan, FULL_PUSHDOWN);
}
@Test
public void testViewNotRemoved() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"SELECT y FROM (select row_number() over (order by e1) as y from pm1.g1) as x where x.y = 10", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {
"SELECT v_0.c_0 FROM (SELECT ROW_NUMBER() OVER (ORDER BY g_0.e1) AS c_0 FROM pm1.g1 AS g_0) AS v_0 WHERE v_0.c_0 = 10"
},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
checkNodeTypes(plan, FULL_PUSHDOWN);
}
@Test
public void testConcat2() throws Exception {
QueryMetadataInterface metadata = RealMetadataFactory.example1Cached();
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setFunctionSupport(SourceSystemFunctions.CONCAT2, true);
capFinder.addCapabilities("pm1", caps); // $NON-NLS-1$
String sql = "select concat2(x.e1, x.e1) from pm1.g1 as x"; // $NON-NLS-1$
helpPlan(
sql,
metadata,
null,
capFinder,
new String[] {"SELECT concat2(g_0.e1, g_0.e1) FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
// cannot pushdown
caps.setFunctionSupport(SourceSystemFunctions.CONCAT2, false);
ProcessorPlan plan =
helpPlan(
sql,
metadata,
null,
capFinder,
new String[] {"SELECT g_0.e1 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
HardcodedDataManager dataManager = new HardcodedDataManager();
dataManager.addData(
"SELECT g_0.e1 FROM pm1.g1 AS g_0",
new List[] {Arrays.asList("a"), Arrays.asList((String) null)});
TestProcessor.helpProcess(
plan, dataManager, new List[] {Arrays.asList("aa"), Arrays.asList((String) null)});
caps.setFunctionSupport(SourceSystemFunctions.CONCAT, true);
caps.setFunctionSupport(SourceSystemFunctions.IFNULL, true);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, true);
// will get replaced in the LanguageBridgeFactory
helpPlan(
sql,
metadata,
null,
capFinder,
new String[] {"SELECT concat2(g_0.e1, g_0.e1) FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
}
@Test
public void testViewLimit() throws Exception {
BasicSourceCapabilities caps = getTypicalCapabilities();
caps.setCapabilitySupport(Capability.ELEMENTARY_OLAP, true);
ProcessorPlan plan =
TestOptimizer.helpPlan(
"SELECT * FROM (select e1, e3, count(distinct e1) over (partition by e3) as r from pm1.g1) as x limit 1", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null,
new DefaultCapabilitiesFinder(caps),
new String[] {"SELECT g_0.e1, g_0.e3 FROM pm1.g1 AS g_0"},
ComparisonMode.EXACT_COMMAND_STRING); // $NON-NLS-1$
FakeDataManager dataManager = new FakeDataManager();
sampleData1(dataManager);
List<?>[] expected =
new List<?>[] {
Arrays.asList("a", Boolean.FALSE, 2),
};
helpProcess(plan, dataManager, expected);
}
